B: While I was writing a report on my computer, the electricity suddenly went off.A. Did you lose your work? B. Yeah. Unfortunately, I have to do it again.A. How did you break your foot?B. Oh, while I was skiing.A. Really? Were you in pain?B. Of course! But fortunately someone called an ambulance. A. Thank goodness.B. Yeah, and while I was waiting for the ambulance to arrive, my friends brought me a cake.